 Dominguez also owned several companies in Paraguay including a newspaper company ("Diario La Nación"), a radio station (Radio 970 AM), a hotel (Crowne Plaza), a restaurant (Lo de Osvaldo), a real estate (karmar), two tobacco factories (tabacalera boqueron) and (tabacalera montecarlo) one of them having a worth of more than 90 million dollars, the only iron bottle cap factory in the country, owner of a luxurious private neighborhood in San Bernardino (Sunset Hills), and more.He is one of the biggest shareholders in many businesses like Cervepar, De la Sobera Group and Coca-Cola in Paraguay.He is also known for having a lot of very valuable ranches and being one of the biggest cattle (cow) sellers in the country.